Ambientcss
Ambientcss is a free, open-source design system built with React. A physics-based lighting system for CSS. Define a light source, and every shadow, highlight and surface gradient follows from it — calibrated against Blender raytraces. It has 587 GitHub stars and is released under the MIT license.
github.com/kikkupico/ambientcss (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
Get started
Copy the files into a new folder with degit (no git history), or clone the repository with git.
npx degit kikkupico/ambientcss my-ui
cd my-ui
npm install # then run the dev script from the READMEgit clone --depth 1 https://github.com/kikkupico/ambientcss.git my-uiSources: GitHub docs on template repositories, degit.
About Ambientcss
A physics-based lighting system for CSS. Define a light source, and every shadow, highlight, and surface gradient follows from it — no more hand-tuned shadow-sm / shadow-md / shadow-lg.
Built with
- React
- TypeScript
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How do I use Ambientcss?
Copy the files into a new folder with npx degit kikkupico/ambientcss my-ui (no git history), or fork the repository on GitHub. Then follow the README for the install and dev commands.
Can I use Ambientcss for commercial projects?
Yes. Ambientcss is released under the MIT license, a permissive license that allows commercial use as long as you keep the copyright and license notice. Third-party assets bundled with it (images, fonts, icons) may have their own terms.
Is Ambientcss maintained?
The repository's most recent commit was on Sep 13, 2026. appsgit only lists templates from repositories with a commit in the last six months.